Why do you charge for consults?
We learned the hard way that some people just want to pick your brain and don’t have any interest in doing business with you. By charging for consulting we eliminate the entitlement people feel toward our knowledge and time. Time is money in any field.
There are plenty of resources free online if you’re committed to researching and learning. If you don’t have time to do that, then don’t expect professionals in any field to give you information for free.